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Author Topic: cheap and simple RC sub/dorsal fin project  (Read 40529 times)

U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #125 on: September 10, 2014, 10:58:42 PM »

They are MMB end caps, Paul, just the stern one slightly altered to take a different motor and shaft set up.


And yes, that is a rubber bellows on the front one... ;D


Rich
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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #126 on: September 11, 2014, 10:44:36 AM »

Cylinder completed and installed, and ready for a coat of paint. I have a pair of eyes coming as well for it, 22mm diameter...just to finish it off.


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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #127 on: September 11, 2014, 01:48:40 PM »

The eyes arrived earlier, so I've done a temporary fitting, just held together under the wtc with a length of shirring elastic for the moment. Once it's painted I'll fit the eyes in position with 'Sticks like Sh*t'. He's now got a blow hole as well, it might help air to escape.



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Netleyned

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Re: cheap and simple RC sub/dorsal fin project
« Reply #128 on: September 11, 2014, 03:11:19 PM »

Blowhole?
Must be a Whale Shark :D

Ned
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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #129 on: September 11, 2014, 03:37:46 PM »

It's an Atlantic Big Eyed Killer Tuark...father was a Big Eyed Tuna, Mother was a Killer Whale.   %)


Rich
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Netleyned

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Re: cheap and simple RC sub/dorsal fin project
« Reply #130 on: September 11, 2014, 03:48:45 PM »

Named Google eye
Ah I feel a song coming on {-)

Ned
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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #131 on: September 11, 2014, 04:21:41 PM »

Oh gawd, no...please don't sing!


The more I keep looking at this, the more I'm not happy with it. I'm contemplating dismantling it and doing something with it, but I don't know what as yet. I have an old Skipjack hull in my cupboard, I keep looking at that...


Rich
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unbuiltnautilus

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Re: cheap and simple RC sub/dorsal fin project
« Reply #132 on: September 11, 2014, 05:04:45 PM »

Has it even got wet yet? Whats the issue?
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hollowhornbear

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Re: cheap and simple RC sub/dorsal fin project
« Reply #133 on: September 11, 2014, 05:11:35 PM »

Rich doesn't like gettimg 'em wet  :} :} :}
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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #134 on: September 11, 2014, 05:12:13 PM »

I'm not sure, skip...there's just 'something' about it that's not right to me. I don't know what it is, but there's just 'something....' Know what I mean?


Rich
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Netleyned

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Re: cheap and simple RC sub/dorsal fin project
« Reply #135 on: September 11, 2014, 05:21:25 PM »

How will you control up and down movement Rich?
Will it just be the speed?

Ned
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unbuiltnautilus

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Re: cheap and simple RC sub/dorsal fin project
« Reply #136 on: September 11, 2014, 05:54:07 PM »

I Have taken the liberty of making your shark fin bigger and adding the little tiddly fin that you see on some sharks, between the dorsal fin and the tail. The little fin needs a bit of work but then so do I :embarrassed: . Also made the eyes a bit smaller and coloured it in. Then flipped the image to weed out any duff bits. Random attack with a rattle can and maybe some shaped cardboard templates could result in a nice Tiger Shark looky likey!
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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #137 on: September 11, 2014, 06:07:36 PM »

Hmm...now that does look better, skip. Maybe it's the paint job...but I do admit it looks an awful lot better. The tail helps as well, I think, maybe I'll crack on with it and see what it's like later.


Yes...you've inspired me to carry on, skip...I thank you for that.


Rich
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unbuiltnautilus

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Re: cheap and simple RC sub/dorsal fin project
« Reply #138 on: September 11, 2014, 06:10:15 PM »

Anything that stops me building one 8' long sir, you are most welcome.....us shark lovers must stick together :-))
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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #139 on: September 11, 2014, 06:11:20 PM »

Ned, it's just going to be a sub surface runner for the time being. I plan to ballast it down so the base of the fin is on the waterline, so all you'll you see is the fin.


Maybe at a later date I'll add forward planes (fins) to it...we'll see.


Rich
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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #140 on: September 11, 2014, 06:12:55 PM »

Anything that stops me building one 8' long sir, you are most welcome.....us shark lovers must stick together :-))


8 feet? Good grief, man...you might as well pop down the museum and get a stuffed one!


Rich
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vnkiwi

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Re: cheap and simple RC sub/dorsal fin project
« Reply #141 on: September 11, 2014, 08:16:51 PM »

https://www.youtube.com/watch?v=1QGyxfigkCY

maybe something like this  %)

Thanks to Umi for the link :-))
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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #142 on: September 11, 2014, 08:55:53 PM »

Oh yes...I like that.


Rich
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Tug-Kenny

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Re: cheap and simple RC sub/dorsal fin project
« Reply #143 on: September 12, 2014, 10:33:02 AM »


Maybe a more  'snub' nose might look better  !!.


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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #144 on: September 12, 2014, 10:38:36 AM »

I thought that, Ken...but then all that will be visible will be the fin itself and maybe 1/4" of the deck at the most. The next one will incorporate a lot of different things on/in it, I guess this could be called the prototype.


Rich
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Tug-Kenny

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Re: cheap and simple RC sub/dorsal fin project
« Reply #145 on: September 12, 2014, 08:34:30 PM »


AH  !!!     I see.     :-))


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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #146 on: September 13, 2014, 10:17:31 AM »

It's a well known fact that dislike cylinders, and after trapping my finger inbetween one of the clips and the deck, something had to be done.
I'm going to refit the shark/whale/whatever it is, and instead of the cylinder, I'm going to use an Otter Box. It's a much smaller and much neater set up, and everything that's in the cylinder will fit into the box. It looks better too, I think...it means using a smaller capacity battery, but that's a small price to pay for easier access to the internals and less damage to my fingers.


Hoping to get it sprayed up today as well.


Rich
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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #147 on: September 13, 2014, 05:04:10 PM »

The Otter Box is now 99% completed, just got to solder up the motor wires and change the plug on the battery pack and we're there. And yes, I know it's on 2.4gHz, but it's only planned as a surface running boat/fish, so it should be ok.


Never did get round to spraying the thing today, hopefully that'll be a job for tomorrow, it's far too windy outside to attempt spraying.


Rich
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red181

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Re: cheap and simple RC sub/dorsal fin project
« Reply #148 on: September 13, 2014, 06:32:17 PM »

don't throw that completed wtc away, I might know someone for it! :embarrassed:
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U-33

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Re: cheap and simple RC sub/dorsal fin project
« Reply #149 on: September 13, 2014, 06:52:37 PM »

Paul...I wonder who that could be.... ;D


I've also taken note of Alan's (the infamous Mr Unbuilt Nautilus himself) advice and ordered a pair of smaller eyes. The ones fitted are 20mm diameter, now I've a pair of 10mm ones coming, they should look a lot better.


Rich
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